13127940

Names of 13127940

• Cardinal: 13127940 can be written as Thirteen million, one hundred twenty-seven thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.312794 × 10⁷

Factors of 13127940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 191

Divisors of 13127940

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 23 27 28 30 35 36 42 45 46 54 60 63 69 70 84 90 92 105 108 115 126 135 138 140 151 161 180 189 207 210 230 252 270 276 302 315 322 345 378 414 420 453 460 483 540 604 621 630 644 690 755 756 805 828 906 945 966 1035 1057 1242 1260 1359 1380 1449 1510 1610 1812 1890 1932 2070 2114 2265 2415 2484 2718 2898 3020 3105 3171 3220 3473 3780 4077 4140 4228 4347 4530 4830 5285 5436 5796 6210 6342 6795 6946 7245 8154 8694 9060 9513 9660 10419 10570 12420 12684 13590 13892 14490 15855 16308 17365 17388 19026 20385 20838 21140 21735 24311 27180 28539 28980 31257 31710 34730 38052 40770 41676 43470 47565 48622 52095 57078 62514 63420 69460 72933 81540 86940 93771 95130 97244 104190 114156 121555 125028 142695 145866 156285 187542 190260 208380 218799 243110 285390 291732 312570 364665 375084 437598 468855 486220 570780 625140 656397 729330 875196 937710 1093995 1312794 1458660 1875420 2187990 2625588 3281985 4375980 6563970 13127940
• Sum of all divisors σ(n): 49029120
• Sum of proper divisors (its aliquot sum) s(n): 35901180
• 13127940 is an abundant number, because the sum of its proper divisors (35901180) is greater than itself. Its abundance is 22773240

Bases of 13127940

• Binary: 110010000101000100000100₂
• Hexadecimal: 0xC85104
• Base-36: 7TDL0

Squares and roots of 13127940

• 13127940 squared (13127940²) is 172342808643600
• 13127940 cubed (13127940³) is 2262506051304662184000
• The square root of 13127940 is 3623.2499223763
• The cube root of 13127940 is 235.9023104253

Scales and comparisons

• 13,127,940 seconds is equal to 21 weeks, 4 days, 22 hours, 39 minutes.
• To count from 1 to 13,127,940 would take you about thirty-two weeks!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 13127940 cubic inches would be around 19.7 feet tall.

Recreational maths with 13127940

• 13127940 backwards is 04972131
• 13127940 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13127940's digits is 27
• More coming soon!